[R-SIG-Mac] Macports installation problem

Hi, I tried to install Cairo graphics https://www.cairographics.org/download/ and I need to install Macports. I tried to install Macports on my Mac OS Sierra 10.12.6, and type "sudo port install cairo", but it did not respond. I haven't seen any file name or app called Macports, but

Re: [R-SIG-Mac] homebrew install High Sierra - tcl-tk support

> On Oct 17, 2017, at 1:43 AM, Rainer Krug wrote: > > Hi > > One question about home-brew installation: > > After upgrading to High Sierra (and update to R 3.4.2), I don’t get tcl-tk > support in R. > > I get the following error: > > > library(tcltk) > Error:

[R-SIG-Mac] homebrew install High Sierra - tcl-tk support

Hi One question about home-brew installation: After upgrading to High Sierra (and update to R 3.4.2), I don’t get tcl-tk support in R. I get the following error: > library(tcltk) Error: package or namespace load failed for ‘tcltk’: .onLoad failed in loadNamespace()